Hedman Hedders Mid-Length LS Swap Headers For 1964-67 GM A-Body Cars 68540
Specifications:
| Emissions Notes | Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Header Construction | MILD STEEL- Standard-Duty |
| Collector Attachment | 2-1/2 in. |
| Reducer Outlet Size | 2-1/2 in. |
| Gasket Or Seal Included | Yes |
| Product Type | Headers |
| Flange Thickness | 0.375 in. |
| Exhaust System Dia | 2-1/2 in. |
| Vehicle Family | A-Body (GM) 1964-67 |
| Tube Style | Mid-Length |
| Tube Diameter | 1-1/2 in. |
| Material | Mild Steel |
| California Proposition 65 | WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
| Tube Size | 1-1/2 in. |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Finish Type | UNCOATED Mild Steel! Shipped with Temporary Paint. |
| Tube Length | Mid-Length Tubes |
| Installation Notes | A non-essential area on LS block may need trimming for ball collector clearance. |
| Tube Design | Standard |
| Transmission Compatibility | Automatic Transmission |
| Replacement Head Flange Gasket | 27470 |
| Finish | Uncoated |
| Title | HEDMAN HEDDERS FOR 1964-67 GM A-BODY AND 1955-1957 CHEVY TRI-FIVE / LS ENGINE SWAP HEADERS 1-1/2 IN.- UNCOATED |
| Header Fasteners Included | Yes |
| E.O. # | No |
| Package Contents | Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Automatic Transmission - Column | No |
| Automatic Transmission - Floor | Yes |
| Tube Material Thickness | 16g |
| Manual Transmission - Floor | Yes |
| Contents | Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions |
| Primary Tube Gauge | 16g |
| Collector Diameter | 2-1/2 in. |
| Y-Pipe Included | No |
| Manual Transmission - Column | No |
| Bolts/Studs Included | Yes |
| with EGR | No |
| Header Material | Mild Steel |
| Header Style | Mid-Length Tube |
| Reducers Included | Yes |
| Collector Size | 2-1/2 in. |
| Flange Style | Standard |
| Header Port Shape | Round |
| Port Shape | Round |
| Variations | 68546 |
| Cylinder Head Port Shape | Round |
| Header Finish | Uncoated |
| Mounting Hardware Included | Yes |
| with A.I.R. System | No |
| Primary Tube Diameter (in) | 1.50 in. |
| Tuned | No |
| Weld-Up | No |
| Collector Bolts Included | Yes |
| Catalytic Converter(s) Included | No |
| Crossover Pipe Included | No |
| Quantity | Sold as a pair. |
| Cylinder Head | Stock Profile Heads |
| Replacement Gasket | 27470 |
| Installation Hardware Included | Yes |
| Motor Mounts Included | No |
| Description_ASM | 1964-1967 Buick Special CID 294 4.8 Liter, 1964-1967 Buick Special CID 364 CC 5967 6.0 Liter, 1964-1967 Buick Special CID 376 CC 6162 6.2 Liter, 1964-1967 Buick Sportwagon CID 294 4.8 Liter, 1964-1967 Buick Sportwagon CID 364 CC 5967 6.0 Liter, 1964-1967 Buick Sportwagon CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet Chevelle CID 294 4.8 Liter, 1964-1967 Chevrolet Chevelle CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet Chevelle CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet El Camino CID 294 4.8 Liter, 1964-1967 Chevrolet El Camino CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet El Camino CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet Malibu CID 294 4.8 Liter, 1964-1967 Chevrolet Malibu CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet Malibu CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile 442 CID 294 4.8 Liter, 1964-1967 Oldsmobile 442 CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile 442 CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile Cutlass CID 294 4.8 Liter, 1964-1967 Oldsmobile Cutlass CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile Cutlass CID 376 CC 6162 6.2 Liter, 1967 Oldsmobile Cutlass Supreme CID 294 4.8 Liter, 1967 Oldsmobile Cutlass Supreme CID 364 CC 5967 6.0 Liter, 1967 Oldsmobile Cutlass Supreme CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile F85 CID 294 4.8 Liter, 1964-1967 Oldsmobile F85 CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile F85 CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 294 4.8 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac GTO CID 294 4.8 Liter, 1964-1967 Pontiac GTO CID 364 CC 5967 6.0 Liter, 1964-1967 Pontiac GTO CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac LeMans CID 294 4.8 Liter, 1964-1967 Pontiac LeMans CID 364 CC 5967 6.0 Liter, 1964-1967 Pontiac LeMans CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac Tempest CID 294 4.8 Liter ...See Application Guide for Additional Fitments |
| Description_EXT | LS SWAP HEADERS FOR 1964-67 GM A-BODY; 1955-57 TRI-FIVE CHEVY; 1-1/2 in. SHORT TUBE, 2-1/2 IN. BALL/SOCKET COLLECTOR- UNCOATED MILD STEEL |
| Description_FAB | Handcrafted, Mild Steel Construction. |
| Description_FAB | The Shorter Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers. |
| Description_FAB | Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors |
| Description_FAB | Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters) |
| Description_FAB | Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating! |
| Description_FAB | Proud To Say, Made In The USA, Since 1954! |
| Description_SHO | HEADERS, UNCOATED |
| Description_INV | HEDMAN GM CAR HEADERS-UNCOATED |
| Description_DEF | Exhaust Header |
| Description_DES | Mid-Length LS Swap Headers For 1964-67 GM A-Body Cars |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1955 | Chevrolet | Bel Air | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1956 | Chevrolet | Bel Air | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1957 | Chevrolet | Bel Air | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1955 | Chevrolet | Nomad | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1956 | Chevrolet | Nomad | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1957 | Chevrolet | Nomad | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1955 | Chevrolet | One-Fifty Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1956 | Chevrolet | One-Fifty Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1957 | Chevrolet | One-Fifty Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1955 | Chevrolet | Two-Ten Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1956 | Chevrolet | Two-Ten Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. | |
| 1957 | Chevrolet | Two-Ten Series | Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.,Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: LS (Gen III/IV) Engine Swap; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed. |